You wait for ages for a carbon footprinting standard, then three come along at once. And while the release of the updated PAS 2050 standard went almost unnoticed, it was standing room only at the launch of the new Greenhouse Gas Protocol Product and Scope 3 Standards . This is no coincidence. The Product Accounting and Reporting Standard enables businesses to measure the climate change impact of individual products, while the Corporate Value Chain (Scope 3) Accounting and Reporting Standard measures the whole value chain. Looking into my crystal ball, I predict that these two standards will supecede much of what has gone before, and will encourage a much more ambitious approach to carbon reduction. Many businesses are thinking the same thing, judging by the crowds at the release of the standards from the World Resources Institute and World Business Council for Sustainable ...